* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #e2e8f0;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #3b82f6;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #60a5fa;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            color: #93c5fd;
            text-shadow: 0 0 10px rgba(96, 165, 250, 0.5);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: #cbd5e1;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        nav a:hover {
            background: #3b82f6;
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #60a5fa;
        }
        .breadcrumb {
            background: rgba(30, 41, 59, 0.8);
            padding: 12px 0;
            margin-bottom: 30px;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb a {
            color: #93c5fd;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: rgba(30, 41, 59, 0.9);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.2rem;
            color: #60a5fa;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.2;
            border-bottom: 3px solid #3b82f6;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #93c5fd;
            margin: 35px 0 20px;
            padding-left: 15px;
            border-left: 5px solid #3b82f6;
        }
        h3 {
            font-size: 1.8rem;
            color: #bfdbfe;
            margin: 25px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #dbeafe;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: rgba(59, 130, 246, 0.2);
            border-left: 4px solid #3b82f6;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        em {
            color: #fbbf24;
            font-style: italic;
        }
        strong {
            color: #60a5fa;
            font-weight: 700;
        }
        .search-section, .comment-section, .rating-section {
            background: rgba(15, 23, 42, 0.7);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border: 1px solid #475569;
        }
        form {
            display: grid;
            gap: 15px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 12px;
            border-radius: 6px;
            border: 1px solid #475569;
            background: #1e293b;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #60a5fa;
            box-shadow: 0 0 8px rgba(96, 165, 250, 0.5);
        }
        button {
            padding: 12px 24px;
            background: linear-gradient(90deg, #3b82f6, #60a5fa);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #2563eb, #3b82f6);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 25px auto;
            display: block;
            border: 3px solid #3b82f6;
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.02);
        }
        footer {
            background: rgba(15, 23, 42, 0.95);
            padding: 40px 0 20px;
            border-top: 2px solid #3b82f6;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        friend-link {
            display: block;
            padding: 12px;
            background: rgba(30, 41, 59, 0.8);
            border-radius: 8px;
            margin: 10px 0;
            transition: all 0.3s ease;
        }
        friend-link a {
            color: #93c5fd;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link:hover {
            background: rgba(59, 130, 246, 0.3);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
                display: none;
                width: 100%;
                margin-top: 20px;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            article {
                padding: 25px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mt-30 {
            margin-top: 30px;
        }
        .last-updated {
            color: #94a3b8;
            font-size: 0.95rem;
            text-align: right;
            margin-bottom: 20px;
            font-style: italic;
        }